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<pre><code><span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration unsafe">unsafe_fn</span>() {}

<span class="keyword">struct</span> <span class="struct declaration">HasUnsafeFn</span>;

<span class="keyword">impl</span> <span class="struct">HasUnsafeFn</span> {
    <span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration unsafe">unsafe_method</span>(&<span class="self_keyword">self</span>) {}
}

<span class="keyword">fn</span> <span class="function declaration">main</span>() {
    <span class="keyword">let</span> <span class="variable declaration">x</span> = &<span class="numeric_literal">5</span> <span class="keyword">as</span> *<span class="keyword">const</span> <span class="builtin_type">usize</span>;
    <span class="keyword unsafe">unsafe</span> {
        <span class="function unsafe">unsafe_fn</span>();
        <span class="struct">HasUnsafeFn</span>.<span class="function unsafe">unsafe_method</span>();
        <span class="keyword">let</span> <span class="variable declaration">y</span> = <span class="operator unsafe">*</span>(<span class="variable">x</span>);
        <span class="keyword">let</span> <span class="variable declaration">z</span> = -<span class="variable">x</span>;
    }
}</code></pre>